#include "wifi_board.h"
#include "codecs/no_audio_codec.h"
#include "display/oled_display.h"
#include "system_reset.h"
#include "application.h"
#include "button.h"
#include "config.h"
#include "mcp_server.h"
#include "lamp_controller.h"
#include "led/single_led.h"
#include "assets/lang_config.h"

#include <wifi_station.h>
#include <esp_log.h>
#include <driver/i2c_master.h>
#include <esp_lcd_panel_ops.h>
#include <esp_lcd_panel_vendor.h>

#include "driver/uart.h"
#ifdef SH1106
#include <esp_lcd_panel_sh1106.h>
#endif

#define TAG "CompactWifiBoard"

#define TXD_PIN (11)
#define RXD_PIN (12)

class CompactWifiBoard : public WifiBoard
{
private:
    i2c_master_bus_handle_t display_i2c_bus_;
    esp_lcd_panel_io_handle_t panel_io_ = nullptr;
    esp_lcd_panel_handle_t panel_ = nullptr;
    Display *display_ = nullptr;
    Button boot_button_;
    Button touch_button_;
    Button volume_up_button_;
    Button volume_down_button_;
    uint8_t tx_buffer[20] = {0x02, 0x14, 0x10, 0x01};

    void InitializeDisplayI2c()
    {
        i2c_master_bus_config_t bus_config = {
            .i2c_port = (i2c_port_t)0,
            .sda_io_num = DISPLAY_SDA_PIN,
            .scl_io_num = DISPLAY_SCL_PIN,
            .clk_source = I2C_CLK_SRC_DEFAULT,
            .glitch_ignore_cnt = 7,
            .intr_priority = 0,
            .trans_queue_depth = 0,
            .flags = {
                .enable_internal_pullup = 1,
            },
        };
        ESP_ERROR_CHECK(i2c_new_master_bus(&bus_config, &display_i2c_bus_));
    };

    void configure_uart(void)
    {
        static const int RX_BUF_SIZE = 1024;

        const uart_config_t uart_config = {
            .baud_rate = 115200,
            .data_bits = UART_DATA_8_BITS,
            .parity = UART_PARITY_DISABLE,
            .stop_bits = UART_STOP_BITS_1,
            .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
            .source_clk = UART_SCLK_DEFAULT,
        };
        // We won't use a buffer for sending data.
        uart_driver_install(UART_NUM_1, RX_BUF_SIZE * 2, 0, 0, NULL, 0);
        uart_param_config(UART_NUM_1, &uart_config);
        uart_set_pin(UART_NUM_1, TXD_PIN, RXD_PIN, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
        uart_write_bytes(UART_NUM_1, (const char *)"Hello, world!", 13);
    }
    uint8_t xor_checksum(uint8_t *data, size_t length)
    {
        uint8_t checksum = 0;
        for (uint8_t i = 0; i < length; i++)
        {
            checksum ^= data[i];
        }
        return checksum;
    }

    void InitTools()
    {
        auto &mcp_server = McpServer::GetInstance();
        // 关闭灯带
        mcp_server.AddTool("self.lights.control", "控制灯带开关", PropertyList({Property("state", kPropertyTypeBoolean)}), [this](const PropertyList &properties) -> ReturnValue
                           {
                              char state = properties["state"].value<bool>();
                               tx_buffer[3] = state;
                               tx_buffer[19] = xor_checksum(tx_buffer, 20);
                               uart_write_bytes(UART_NUM_1, tx_buffer, 20);
                               return true; });
        // 设置灯光亮度
        mcp_server.AddTool("self.light.brightness", "设置灯光亮度",
                           PropertyList({Property("brightness", kPropertyTypeInteger, 0, 255)}), [this](const PropertyList &properties) -> ReturnValue
                           {
                                int brightness = properties["brightness"].value<int>();
                                tx_buffer[8] = brightness;
                                tx_buffer[19] = xor_checksum(tx_buffer, 20);
                                uart_write_bytes(UART_NUM_1, tx_buffer, 20);
                                return true; });
        // 设置灯光模式
        mcp_server.AddTool("self.light.mode", "设置灯光模式",
                           PropertyList({Property("mode", kPropertyTypeInteger, 0, 255)}), [this](const PropertyList &properties) -> ReturnValue
                           {
                                int mode = properties["mode"].value<int>();
                                tx_buffer[7] = mode;
                                tx_buffer[19] = xor_checksum(tx_buffer, 20);
                                uart_write_bytes(UART_NUM_1, tx_buffer, 20);
                                return true; });
        // 例2：带参数，设置灯光 RGB 颜色
        mcp_server.AddTool("self.light.set_rgb", "set RGB颜色",
                           PropertyList({Property("r", kPropertyTypeInteger, 0, 255), Property("g", kPropertyTypeInteger, 0, 255), Property("b", kPropertyTypeInteger, 0, 255)}), [this](const PropertyList &properties) -> ReturnValue
                           {
                                int r = properties["r"].value<int>();
                                int g = properties["g"].value<int>();
                                int b = properties["b"].value<int>();
                                uart_write_bytes(UART_NUM_1, (const char *)"Hello, world!", 13);
                                return true; });
    }
    void InitializeSsd1306Display()
    {
        // SSD1306 config
        esp_lcd_panel_io_i2c_config_t io_config = {
            .dev_addr = 0x3C,
            .on_color_trans_done = nullptr,
            .user_ctx = nullptr,
            .control_phase_bytes = 1,
            .dc_bit_offset = 6,
            .lcd_cmd_bits = 8,
            .lcd_param_bits = 8,
            .flags = {
                .dc_low_on_data = 0,
                .disable_control_phase = 0,
            },
            .scl_speed_hz = 400 * 1000,
        };

        ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c_v2(display_i2c_bus_, &io_config, &panel_io_));

        ESP_LOGI(TAG, "Install SSD1306 driver");
        esp_lcd_panel_dev_config_t panel_config = {};
        panel_config.reset_gpio_num = -1;
        panel_config.bits_per_pixel = 1;

        esp_lcd_panel_ssd1306_config_t ssd1306_config = {
            .height = static_cast<uint8_t>(DISPLAY_HEIGHT),
        };
        panel_config.vendor_config = &ssd1306_config;

#ifdef SH1106
        ESP_ERROR_CHECK(esp_lcd_new_panel_sh1106(panel_io_, &panel_config, &panel_));
#else
        ESP_ERROR_CHECK(esp_lcd_new_panel_ssd1306(panel_io_, &panel_config, &panel_));
#endif
        ESP_LOGI(TAG, "SSD1306 driver installed");

        // Reset the display
        ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_));
        if (esp_lcd_panel_init(panel_) != ESP_OK)
        {
            ESP_LOGE(TAG, "Failed to initialize display");
            display_ = new NoDisplay();
            return;
        }
        ESP_ERROR_CHECK(esp_lcd_panel_invert_color(panel_, false));

        // Set the display to on
        ESP_LOGI(TAG, "Turning display on");
        ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_, true));

        display_ = new OledDisplay(panel_io_, panel_, DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
    }

    void InitializeButtons()
    {
        boot_button_.OnClick([this]()
                             {
            auto& app = Application::GetInstance();
            if (app.GetDeviceState() == kDeviceStateStarting && !WifiStation::GetInstance().IsConnected()) {
                ResetWifiConfiguration();
            }
            app.ToggleChatState(); });
        touch_button_.OnPressDown([this]()
                                  { Application::GetInstance().StartListening(); });
        touch_button_.OnPressUp([this]()
                                { Application::GetInstance().StopListening(); });

        volume_up_button_.OnClick([this]()
                                  {
            auto codec = GetAudioCodec();
            auto volume = codec->output_volume() + 10;
            if (volume > 100) {
                volume = 100;
            }
            codec->SetOutputVolume(volume);
            GetDisplay()->ShowNotification(Lang::Strings::VOLUME + std::to_string(volume)); });

        volume_up_button_.OnLongPress([this]()
                                      {
            GetAudioCodec()->SetOutputVolume(100);
            GetDisplay()->ShowNotification(Lang::Strings::MAX_VOLUME); });

        volume_down_button_.OnClick([this]()
                                    {
            auto codec = GetAudioCodec();
            auto volume = codec->output_volume() - 10;
            if (volume < 0) {
                volume = 0;
            }
            codec->SetOutputVolume(volume);
            GetDisplay()->ShowNotification(Lang::Strings::VOLUME + std::to_string(volume)); });

        volume_down_button_.OnLongPress([this]()
                                        {
            GetAudioCodec()->SetOutputVolume(0);
            GetDisplay()->ShowNotification(Lang::Strings::MUTED); });
    }

    // 物联网初始化，逐步迁移到 MCP 协议
    void InitializeTools()
    {
        static LampController lamp(LAMP_GPIO);
        InitTools();
    }

public:
    CompactWifiBoard() : boot_button_(BOOT_BUTTON_GPIO),
                         touch_button_(TOUCH_BUTTON_GPIO),
                         volume_up_button_(VOLUME_UP_BUTTON_GPIO),
                         volume_down_button_(VOLUME_DOWN_BUTTON_GPIO)
    {
        InitializeDisplayI2c();
        InitializeSsd1306Display();
        InitializeButtons();
        InitializeTools();
        configure_uart();
    }

    virtual Led *GetLed() override
    {
        static SingleLed led(BUILTIN_LED_GPIO);
        return &led;
    }

    virtual AudioCodec *GetAudioCodec() override
    {
#ifdef AUDIO_I2S_METHOD_SIMPLEX
        static NoAudioCodecSimplex audio_codec(AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
                                               AUDIO_I2S_SPK_GPIO_BCLK, AUDIO_I2S_SPK_GPIO_LRCK, AUDIO_I2S_SPK_GPIO_DOUT, AUDIO_I2S_MIC_GPIO_SCK, AUDIO_I2S_MIC_GPIO_WS, AUDIO_I2S_MIC_GPIO_DIN);
#else
        static NoAudioCodecDuplex audio_codec(AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
                                              AUDIO_I2S_GPIO_BCLK, AUDIO_I2S_GPIO_WS, AUDIO_I2S_GPIO_DOUT, AUDIO_I2S_GPIO_DIN);
#endif
        return &audio_codec;
    }

    virtual Display *GetDisplay() override
    {
        return display_;
    }
};

DECLARE_BOARD(CompactWifiBoard);
